Base | Representation |
---|---|
bin | 1000011000001… |
… | …11001100110101 |
3 | 11220020210122021 |
4 | 10030013030311 |
5 | 120443042320 |
6 | 10550233141 |
7 | 1512255604 |
oct | 414071465 |
9 | 156223567 |
10 | 70284085 |
11 | 36745523 |
12 | 1b6557b1 |
13 | 1173ac21 |
14 | 9497a3b |
15 | 6284daa |
hex | 4307335 |
70284085 has 8 divisors (see below), whose sum is σ = 84458880. Its totient is φ = 56148624.
The previous prime is 70284083. The next prime is 70284089. The reversal of 70284085 is 58048207.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70284085 - 21 = 70284083 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 70284085.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70284083) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5745 + ... + 13174.
It is an arithmetic number, because the mean of its divisors is an integer number (10557360).
Almost surely, 270284085 is an apocalyptic number.
It is an amenable number.
70284085 is a deficient number, since it is larger than the sum of its proper divisors (14174795).
70284085 is a wasteful number, since it uses less digits than its factorization.
70284085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19667.
The product of its (nonzero) digits is 17920, while the sum is 34.
The square root of 70284085 is about 8383.5604011661. The cubic root of 70284085 is about 412.6852990573.
The spelling of 70284085 in words is "seventy million, two hundred eighty-four thousand, eighty-five".
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